overconfidence
/ˌoʊvɝˈkɑnfɪdəns/
having more certainty than warranted by evidence
overconfidence in a sentence
“Overconfidence leads to underestimating risks.”
Origin of overconfidence
English over- + Latin confidere (to trust fully)
Related Words
calibration
the alignment between confidence levels and actual accuracy
epistemic humility
acknowledging the limits of one's own knowledge
hedging
qualifying statements to acknowledge uncertainty
confabulation
producing false information without intent to deceive; filling gaps
hallucination
generating plausible but false or unsupported content
grounding
connecting claims to verifiable sources or evidence